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JPL Small-Body Database Browser
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516977 (2012 HZ84)
Classification: TransNeptunian Object          SPK-ID: 2516977
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2459000.5 (2020-May-31.0) TDB
Reference: JPL 6 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1986263795076665 0.0009327  
a 46.40665610950862 0.027093 au
q 37.18907002141959 0.024134 au
i 5.434434942241147 0.001366 deg
node 257.0351403538896 0.0059276 deg
peri 86.13158969842634 0.11671 deg
M 323.1504225944246 0.041315 deg
tp 2470819.993105529484
(2052-Oct-09.49310553)
15.02 TDB
period 115469.9135666837
316.14
101.12
0.2769
d
yr
n .0031176952409521 2.7302e-06 deg/d
Q 55.62424219759764 0.032474 au
  Orbit Determination Parameters
   # obs. used (total)      47  
   data-arc span      1893 days (5.18 yr)  
   first obs. used      2012-04-17  
   last obs. used      2017-06-23  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      4  
   norm. resid. RMS      .12411  
   source      ORB  
   producer      Otto Matic  
   solution date      2018-May-07 07:12:49  

Additional Information
 Earth MOID = 36.1861 au 
 Jupiter MOID = 32.2391 au 
 T_jup = 5.940 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 8.9   n/a MPO441262  

516977 (2012 HZ84)          Discovered 2012-Apr-17 by New Horizons KBO Search at Las Campanas
Reference: Last Updated: 2018-05-06
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances ]
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